#3D78D7#3D78D7

#3D78D7 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.158 H 259.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3D78D7
RGB	rgb(61, 120, 215)
HSL	hsl(217, 66%, 54%)
HSV	hsv(217, 72%, 84%)
CMYK	cmyk(71.6%, 44.2%, 0%, 15.7%)
CIE-LAB	lab(51.07, 12.71, -54.39)
CIE-LCH	lch(51.07, 55.86, 283.15°)
OKLab	oklab(58.21% -0.0288 -0.1557)
OKLCH	oklch(58.21% 0.158 259.5)
XYZ	xyz(20.9022, 19.3291, 66.9061)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D78D7 #D79C3D

analogous

#3DC5D7 #3D78D7 #4F3DD7

triadic

#3D78D7 #D73D78 #78D73D

tetradic

#3D78D7 #D73DC5 #D79C3D #3DD74F

square

#3D78D7 #D73DC5 #D79C3D #3DD74F

split-complementary

#3D78D7 #D74F3D #C5D73D

monochromatic

#1A417F #255BB2 #3D78D7 #709BE1 #A2BFEC

Accessibility & contrast

On white

4.32

#3D78D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#3D78D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D78D7

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D78D7	#FFFFFF	#000000	##000000
##3D78D7	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4881DB

Deuteranopia (green-blind)

#2B73D5

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3d78d7;
/* rgb */ color: rgb(61, 120, 215);
/* oklch */ color: oklch(58.2% 0.158 259.5);

Tailwind

colors: {
  custom: {
    50: '#859ee4',
    500: '#3d78d7',
    950: '#000000',
  },
}

SCSS

$custom: #3d78d7;
$custom-light: #859ee4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d78d7",
  "rgb": {
    "r": 61,
    "g": 120,
    "b": 215
  },
  "hsl": {
    "h": 217.013,
    "s": 65.812,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58209,
    "c": 0.15834,
    "h": 259.5
  },
  "luminance": 0.19331
}

Semantic roles & 50–950 ramp

primary

#3D78D7

secondary

#D9C097

accent

#A83FE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E15

muted

#7D7E84

Preview Lab

Preview with #3D78D7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →